Welcome to Dongguan Shengchuang Photoelectric Technology Co., Ltd！
| Parame er | MIN | TYP | MAX | Unit | Note |
| channels Nunber | 4 | CH | |||
| Spectral Region | 1300 | nm | |||
| Channel Spacing | 20nm（3543GHz） | nm（GHz） | |||
| Center Wavelength | 1271nm（235.87THz） | nm（THz） | |||
| 1291nm（232.22THz） | |||||
| 1311nm（228.67THz） | |||||
| 1331nm（225.24THz） | |||||
| ISOIation | 21 | Adjacent channel（ITU±6.5nm） | |||
| 30 | db | Non-adjacent channel（ITU±6.5nm） | |||
| Center Wavelength Accuracy | -1.0 | - | 1.0 | db | |
| Insertion Loss （PDL included）*Notel | - | - | 1.8 | nm | channels=>COM,at ITU±2nm |
| Polarization Dependent Loss | - | - | 0.5 | dB | |
| Return Loss | 35 | - | - | dB | |
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